#include <fstream>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");

int rmq[18][100002], n, m, lg[100002], a[100002];

int main()
{
	int l, x, y, dif, shift;
	in>>n>>m;
	for(int i = 1; i <= n; i++)in>>a[i];
	for(int i = 2; i <= n; i++)lg[i] = lg[i/2]+1;
    for(int i = 1; i <= n; i++)rmq[0][i] = a[i];
	for(int i=1; (1 << i) <= n; i++)
		for(int j = 1; j <= n - (1 << i)+1; j++){
            l = 1<<(i-1);
            rmq[i][j] = min(rmq[i-1][j], rmq[i-1][j+l] );}
	for(int i = 1; i <= m; i++){
		in>>x>>y;
		dif = y - x +1;
		l = lg[dif];
		shift = dif - (1<<l);
		out<<min(rmq[l][x], rmq[l][x+shift])<<"\n";}
	return 0;
}